fast_able/
statis.rs

1use std::{sync::Arc, time::Duration};
2
3pub struct Statis {
4    _rt: std::thread::JoinHandle<()>,
5    sum: Arc<std::sync::atomic::AtomicU64>,
6}
7
8impl Statis {
9    pub fn new<P: Fn(u64) + Send + 'static>(print: P) -> Self {
10        let sum = Arc::new(std::sync::atomic::AtomicU64::new(0));
11        let sum_clone = sum.clone();
12        let rt = std::thread::spawn(move || loop {
13            std::thread::sleep(Duration::from_millis(1000));
14            let v = sum_clone.fetch_and(0, std::sync::atomic::Ordering::SeqCst);
15            if v > 0 {
16                print(v);
17            }
18        });
19        Self { _rt: rt, sum }
20    }
21
22    pub fn add(&self) {
23        _ = self.sum.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
24    }
25}
26
27impl Drop for Statis {
28    fn drop(&mut self) {}
29}
30
31#[test]
32fn test() {
33    pub static RECKON_BY_SEC: once_cell::sync::Lazy<Statis> =
34        once_cell::sync::Lazy::new(|| Statis::new(|v| println!("one sec run sum: {v}")));
35
36    let rt = std::thread::spawn(|| {
37        for i in 0..10000_0000 {
38            RECKON_BY_SEC.add();
39        }
40    });
41    let rt2 = std::thread::spawn(|| {
42        for i in 0..10000_0000 {
43            RECKON_BY_SEC.add();
44        }
45    });
46    let rt3 = std::thread::spawn(|| {
47        for i in 0..10000_0000 {
48            RECKON_BY_SEC.add();
49        }
50    });
51
52    rt.join();
53    rt2.join();
54    rt3.join();
55}